Finding the Fourth Proportional to 76,623,858.44, 105,739,449.11 and 41,816,797.98
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Solution
The fourth proportional to 76,623,858.44, 105,739,449.11 and 41,816,797.98 is: 57,706,375.95
Step by Step Solution
- Step 1: Write the proportion equation
76,623,858.44 : 105,739,449.11 = 41,816,797.98 : x - Step 2: Convert to fraction form
76,623,858.44/105,739,449.11 = 41,816,797.98/x - Step 3: Cross multiply
76,623,858.44x = 105,739,449.11 × 41,816,797.98 - Step 4: Simplify right side
76,623,858.44x = 4,421,685,181,740,276.50 - Step 5: Solve for x
x = 4,421,685,181,740,276.50/76,623,858.44 - Step 6: Final answer
x = 57,706,375.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.